Original catalogue drawing - NSK catalogue, page 111
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own
dimensions for selection reference only - not a manufacturing or assembly drawing.
Dimension table (mm / inch)
Symbol
Dimension
mm
inch
d
Bore diameter
260
10.2362
D
Outside diameter
400
15.748
B
Inner-ring / bearing width
87
3.4252
T
Overall assembly width
87
3.4252
C
Cup / outer-ring width
65
2.5591
Notes
Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.
Main dimensions
Bore d (mm)
260
Bore d (in)
10.2362
Outside dia. D (mm)
400
Outside dia. D (in)
15.7480
Width B (mm)
87
Width B (in)
3.4252
Overall width T (mm)
87
Overall width T (in)
3.4252
Cup width C (mm)
65
Cup width C (in)
2.5591
Load ratings & speeds
Basic dynamic load rating Cr (lbs)
1160000
Basic static load rating Cor (lbs)
486000
Limiting speed - grease (rpm)
800
Limiting speed - oil (rpm)
1,100
Weight
Weight (kg)
38.505
Mounting dimensions (fillets / shoulders)
Chamfer r (in)
0.12
Shaft shoulder da min (in)
11.299
Housing shoulder Da max (in)
15.039
Shaft shoulder db max (in)
11.299
Bearing life (ISO 281 basic rating life)
C / P
Equivalent load P (N)
L10 (106 rev)
L10h at 200 rpm
4
1,289,984
102
8,466
6
859,990
392
32,708
8
644,992
1,024
85,333
10
515,994
2,154
179,536
15
343,996
8,323
693,622
Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 5,159,937 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.
Source & traceability
Brand
NSK
Source catalogue
NSK inch product catalogue
Catalogue page
p.113 (dimensions) / p.114 (ratings)
Dimensions in inches and millimetres, load ratings in lbs.
Send us the quantity you need and we will come back with price and
lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.
